Searches for charginos and neutralinos produced in e+e− collisions at centre-of-mass energies of 130 and 136 GeV have been performed under the assumptions that R-parity is not conserved, that the dominant R-parity violating coupling involves only leptonic fields, and that the lifetime of the lightest supersymmetric particle can be neglected. In the 5.7 pb−1 data sample collected by ALEPH, no candidate events were found. As a result, chargino and neutralino masses and couplings are constrained and the domains previously excluded at LEP1 are extended.

Search for charginos and neutralinos with R-parity violation at √s=130 GeV and 136 GeV / D. Buskulic;I. De Bonis;D. Decamp;P. Ghez;C. Goy;J.-P. Lees;A. Lucotte;M.-N. Minard;P. Odier;B. Pietrzyk;M.P. Casado;M. Chmeissani;J.M. Crespo;M. Delfino;I. Efthymiopoulos;E. Fernandez;M. Fernandez-Bosman;Ll. Garrido;A. Juste;M. Martinez;S. Orteu;A. Pacheco;C. Padilla;A. Pascual;J.A. Perlas;I. Riu;F. Sanchez;F. Teubert;A. Colaleo;D. Creanza;M. de Palma;G. Gelao;M. Girone;G. Iaselli;G. Maggi;M. Maggi;N. Marinelli;S. Nuzzo;A. Ranieri;G. Raso;F. Ruggieri;G. Selvaggi;L. Silvestris;P. Tempesta;G. Zito;X. Huang;J. Lin;Q. Ouyang;T. Wang;Y. Xie;R. Xu;S. Xue;J. Zhang;L. Zhang;W. Zhao;R. Alemany;A.O. Bazarko;M. Cattaneo;P. Comas;P. Coyle;H. Drevermann;R.W. Forty;M. Frank;R. Hagelberg;J. Harvey;P. Janot;B. Jost;E. Kneringer;J. Knobloch;I. Lehraus;E.B. Martin;P. Mato;A. Minten;R. Miquel;Ll.M. Mir;L. Moneta;T. Oest;F. Palla;J.-F. Pusztaszeri;F. Ranjard;P. Rensing;L. Rolandi;D. Schlatter;M. Schmelling;O. Schneider;W. Tejessy;I.R. Tomalin;A. Venturi;H. Wachsmuth;A. Wagner;Z. Ajaltouni;A. Barrès;C. Boyer;A. Falvard;P. Gay;C. Guicheney;P. Henrard;J. Jousset;B. Michel;S. Monteil;J-C. Montret;D. Pallin;P. Perret;F. Podlyski;J. Proriol;J.-M. Rossignol;T. Fearnley;J.B. Hansen;J.D. Hansen;J.R. Hansen;P.H. Hansen;B.S. Nilsson;A. Wäänänen;A. Kyriakis;C. Markou;E. Simopoulou;I. Siotis;A. Vayaki;K. Zachariadou;A. Blondel;J.C. Brient;A. Rougé;M. Rumpf;A. Valassi;H. Videau;E. Focardi;G. Parrini;M. Corden;C. Georgiopoulos;D.E. Jaffe;A. Antonelli;G. Bencivenni;G. Bologna;F. Bossi;P. Campana;G. Capon;D. Casper;V. Chiarella;G. Felici;P. Laurelli;G. Mannocchi;F. Murtas;G.P. Murtas;L. Passalacqua;M. Pepe-Altarelli;L. Curtis;S.J. Dorris;A.W. Halley;I.G. Knowles;J.G. Lunch;V. O'Shea;C. Raine;P. Reeves;J.M. Scarr;K. Smith;A.S. Thompson;F. Thomson;S. Thorn;R.M. Turnbull;U. Becker;C. Geweniger;G. Graefe;P. Hanke;G. Hansper;V. Hepp;E.E. Kluge;A. Putzer;B. Rensch;M. Schmidt;J. Sommer;H. Stenzel;K. Tittel;S. Werner;M. Wunsch;D. Abbaneo;R. Beuselinck;D.M. Binnie;W. Cameron;P.J. Dornan;A. Moutoussi;J. Nash;J.K. Sedgbeer;A.M. Stacey;M.D. Williams;G. Dissertori;P. Girtler;D. Kuhn;G. Rudolph;A.P. Betteridge;C.K. Bowdery;P. Colrain;G. Crawford;A.J. Finch;F. Foster;G. Hughes;T. Sloan;M.I. Williams;A. Galla;A.M. Greene;C. Hoffmann;K. Kleinknecht;G. Quast;B. Renk;E. Rohne;H.-G. Sander;P. van Gemmeren;C. Zeitnitz;J.J. Aubert;A.M. Bencheikh;C. Benchouk;A. Bonissent;G. Bujosa;D. Calvet;J. Carr;C. Diaconu;N. Konstantinidis;P. Payre;D. Rousseau;M. Talby;A. Sadouki;M. Thulasidas;A. Tilquin;K. Trabelsi;M. Aleppo;F. Ragusa;I. Abt;R. Assmann;C. Bauer;W. Blum;H. Dietl;F. Dydak;G. Ganis;C. Gotzhein;K. Jakobs;H. Kroha;G. Lütjens;G. Lutz;W. Männer;H.-G. Moser;R. Richter;A. Rosado-Schlosser;S. Schael;R. Settles;H. Seywerd;R.St. Denis;W. Wiedenmann;G. Wolf;J. Boucrot;O. Callot;A. Cordier;M. Davier;L. Duflot;J.-F. Grivaz;Ph. Heusse;A. Höcker;M. Jacquet;D.W. Kim;F. Le Diberder;J. Lefrançois;A.-M. Lutz;I. Nikolic;H.J. Park;I.C. Park;M.-H. Schune;S. Simion;J.-J. Veillet;I. Videau;D. Zerwas;P. Azzurri;G. Bagliesi;G. Batignani;S. Bettarini;C. Bozzi;G. Calderini;M. Carpinelli;M.A. Ciocci;V. Ciulli;R. Dell'Orso;R. Fantechi;I. Ferrante;A. Giassi;A. Gregorio;F. Ligabue;A. Lusiani;P.S. Marrocchesi;A. Messineo;G. Rizzo;G. Sanguinetti;A. Sciabà;P. Spagnolo;J. Steinberger;R. Tenchini;G. Tonelli;C. Vannini;P.G. Verdini;J. Walsh;G.A. Blair;L.M. Bryant;F. Cerutti;J.T. Chambers;Y. Gao;M.G. Green;T. Medcalf;P. Perrodo;J.A. Strong;J.H. von Wimmersperg-Toeller;D.R. Botterill;R.W. Clifft;T.R. Edgecock;S. Haywood;P. Maley;P.R. Norton;J.C. Thompson;A.E. Wright;B. Bloch-Devaux;P. Colas;S. Emery;W. Kozanecki;E. Lançon;M.C. Lemaire;E. Locci;B. Marx;P. Perez;J. Rander;J.-F. Renardy;A. Roussarie;J.-P. Schuller;J. Schwindling;A. Trabelsi;B. Vallage;S.N. Black;J.H. Dann;R.P. Johnson;H.Y. Kim;A.M. Litke;M.A. McNeil;G. Taylor;C.N. Booth;R. Boswell;C.A.J. Brew;S. Cartwright;F. Combley;A. Koksal;M. Letho;W.M. Newton;J. Reeve;L.F. Thompson;A. Böhrer;S. Brandt;V. Büscher;G. Cowan;C. Grupen;G. Lutters;P. Saraiva;L. Smolik;F. Stephan;M. Apollonio;L. Bosisio;R. Della Marina;G. Giannini;B. Gobbo;G. Musolino;J. Putz;J. Rothberg;S. Wasserbaech;R.W. Williams;S.R. Armstrong;L. Bellantoni;P. Elmer;Z. Feng;D.P.S. Ferguson;Y.S. Gao;S. González;J. Grahl;T.C. Greening;J.L. Harton;O.J. Hayes;H. Hu;P.A. McNamara;J.M. Nachtman;W. Orejudos;Y.B. Pan;Y. Saadi;M. Schmitt;I.J. Scott;V. Sharma;A.M. Walsh;Sau Lan Wu;X. Wu;J.M. Yamartino;M. Zheng;G. Zobernig. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - ELETTRONICO. - 384:(1996), pp. 461-470. [10.1016/0370-2693(96)00915-X]

Search for charginos and neutralinos with R-parity violation at √s=130 GeV and 136 GeV

FOCARDI, ETTORE;CIULLI, VITALIANO;
1996

Abstract

Searches for charginos and neutralinos produced in e+e− collisions at centre-of-mass energies of 130 and 136 GeV have been performed under the assumptions that R-parity is not conserved, that the dominant R-parity violating coupling involves only leptonic fields, and that the lifetime of the lightest supersymmetric particle can be neglected. In the 5.7 pb−1 data sample collected by ALEPH, no candidate events were found. As a result, chargino and neutralino masses and couplings are constrained and the domains previously excluded at LEP1 are extended.
1996
384
461
470
D. Buskulic;I. De Bonis;D. Decamp;P. Ghez;C. Goy;J.-P. Lees;A. Lucotte;M.-N. Minard;P. Odier;B. Pietrzyk;M.P. Casado;M. Chmeissani;J.M. Crespo;M. Delfino;I. Efthymiopoulos;E. Fernandez;M. Fernandez-Bosman;Ll. Garrido;A. Juste;M. Martinez;S. Orteu;A. Pacheco;C. Padilla;A. Pascual;J.A. Perlas;I. Riu;F. Sanchez;F. Teubert;A. Colaleo;D. Creanza;M. de Palma;G. Gelao;M. Girone;G. Iaselli;G. Maggi;M. Maggi;N. Marinelli;S. Nuzzo;A. Ranieri;G. Raso;F. Ruggieri;G. Selvaggi;L. Silvestris;P. Tempesta;G. Zito;X. Huang;J. Lin;Q. Ouyang;T. Wang;Y. Xie;R. Xu;S. Xue;J. Zhang;L. Zhang;W. Zhao;R. Alemany;A.O. Bazarko;M. Cattaneo;P. Comas;P. Coyle;H. Drevermann;R.W. Forty;M. Frank;R. Hagelberg;J. Harvey;P. Janot;B. Jost;E. Kneringer;J. Knobloch;I. Lehraus;E.B. Martin;P. Mato;A. Minten;R. Miquel;Ll.M. Mir;L. Moneta;T. Oest;F. Palla;J.-F. Pusztaszeri;F. Ranjard;P. Rensing;L. Rolandi;D. Schlatter;M. Schmelling;O. Schneider;W. Tejessy;I.R. Tomalin;A. Venturi;H. Wachsmuth;A. Wagner;Z. Ajaltouni;A. Barrès;C. Boyer;A. Falvard;P. Gay;C. Guicheney;P. Henrard;J. Jousset;B. Michel;S. Monteil;J-C. Montret;D. Pallin;P. Perret;F. Podlyski;J. Proriol;J.-M. Rossignol;T. Fearnley;J.B. Hansen;J.D. Hansen;J.R. Hansen;P.H. Hansen;B.S. Nilsson;A. Wäänänen;A. Kyriakis;C. Markou;E. Simopoulou;I. Siotis;A. Vayaki;K. Zachariadou;A. Blondel;J.C. Brient;A. Rougé;M. Rumpf;A. Valassi;H. Videau;E. Focardi;G. Parrini;M. Corden;C. Georgiopoulos;D.E. Jaffe;A. Antonelli;G. Bencivenni;G. Bologna;F. Bossi;P. Campana;G. Capon;D. Casper;V. Chiarella;G. Felici;P. Laurelli;G. Mannocchi;F. Murtas;G.P. Murtas;L. Passalacqua;M. Pepe-Altarelli;L. Curtis;S.J. Dorris;A.W. Halley;I.G. Knowles;J.G. Lunch;V. O'Shea;C. Raine;P. Reeves;J.M. Scarr;K. Smith;A.S. Thompson;F. Thomson;S. Thorn;R.M. Turnbull;U. Becker;C. Geweniger;G. Graefe;P. Hanke;G. Hansper;V. Hepp;E.E. Kluge;A. Putzer;B. Rensch;M. Schmidt;J. Sommer;H. Stenzel;K. Tittel;S. Werner;M. Wunsch;D. Abbaneo;R. Beuselinck;D.M. Binnie;W. Cameron;P.J. Dornan;A. Moutoussi;J. Nash;J.K. Sedgbeer;A.M. Stacey;M.D. Williams;G. Dissertori;P. Girtler;D. Kuhn;G. Rudolph;A.P. Betteridge;C.K. Bowdery;P. Colrain;G. Crawford;A.J. Finch;F. Foster;G. Hughes;T. Sloan;M.I. Williams;A. Galla;A.M. Greene;C. Hoffmann;K. Kleinknecht;G. Quast;B. Renk;E. Rohne;H.-G. Sander;P. van Gemmeren;C. Zeitnitz;J.J. Aubert;A.M. Bencheikh;C. Benchouk;A. Bonissent;G. Bujosa;D. Calvet;J. Carr;C. Diaconu;N. Konstantinidis;P. Payre;D. Rousseau;M. Talby;A. Sadouki;M. Thulasidas;A. Tilquin;K. Trabelsi;M. Aleppo;F. Ragusa;I. Abt;R. Assmann;C. Bauer;W. Blum;H. Dietl;F. Dydak;G. Ganis;C. Gotzhein;K. Jakobs;H. Kroha;G. Lütjens;G. Lutz;W. Männer;H.-G. Moser;R. Richter;A. Rosado-Schlosser;S. Schael;R. Settles;H. Seywerd;R.St. Denis;W. Wiedenmann;G. Wolf;J. Boucrot;O. Callot;A. Cordier;M. Davier;L. Duflot;J.-F. Grivaz;Ph. Heusse;A. Höcker;M. Jacquet;D.W. Kim;F. Le Diberder;J. Lefrançois;A.-M. Lutz;I. Nikolic;H.J. Park;I.C. Park;M.-H. Schune;S. Simion;J.-J. Veillet;I. Videau;D. Zerwas;P. Azzurri;G. Bagliesi;G. Batignani;S. Bettarini;C. Bozzi;G. Calderini;M. Carpinelli;M.A. Ciocci;V. Ciulli;R. Dell'Orso;R. Fantechi;I. Ferrante;A. Giassi;A. Gregorio;F. Ligabue;A. Lusiani;P.S. Marrocchesi;A. Messineo;G. Rizzo;G. Sanguinetti;A. Sciabà;P. Spagnolo;J. Steinberger;R. Tenchini;G. Tonelli;C. Vannini;P.G. Verdini;J. Walsh;G.A. Blair;L.M. Bryant;F. Cerutti;J.T. Chambers;Y. Gao;M.G. Green;T. Medcalf;P. Perrodo;J.A. Strong;J.H. von Wimmersperg-Toeller;D.R. Botterill;R.W. Clifft;T.R. Edgecock;S. Haywood;P. Maley;P.R. Norton;J.C. Thompson;A.E. Wright;B. Bloch-Devaux;P. Colas;S. Emery;W. Kozanecki;E. Lançon;M.C. Lemaire;E. Locci;B. Marx;P. Perez;J. Rander;J.-F. Renardy;A. Roussarie;J.-P. Schuller;J. Schwindling;A. Trabelsi;B. Vallage;S.N. Black;J.H. Dann;R.P. Johnson;H.Y. Kim;A.M. Litke;M.A. McNeil;G. Taylor;C.N. Booth;R. Boswell;C.A.J. Brew;S. Cartwright;F. Combley;A. Koksal;M. Letho;W.M. Newton;J. Reeve;L.F. Thompson;A. Böhrer;S. Brandt;V. Büscher;G. Cowan;C. Grupen;G. Lutters;P. Saraiva;L. Smolik;F. Stephan;M. Apollonio;L. Bosisio;R. Della Marina;G. Giannini;B. Gobbo;G. Musolino;J. Putz;J. Rothberg;S. Wasserbaech;R.W. Williams;S.R. Armstrong;L. Bellantoni;P. Elmer;Z. Feng;D.P.S. Ferguson;Y.S. Gao;S. González;J. Grahl;T.C. Greening;J.L. Harton;O.J. Hayes;H. Hu;P.A. McNamara;J.M. Nachtman;W. Orejudos;Y.B. Pan;Y. Saadi;M. Schmitt;I.J. Scott;V. Sharma;A.M. Walsh;Sau Lan Wu;X. Wu;J.M. Yamartino;M. Zheng;G. Zobernig
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